Home / 324,663.41-447,904.51-215,820.38

Finding the Fourth Proportional to 324,663.41, 447,904.51 and 215,820.38

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Solution

The fourth proportional to 324,663.41, 447,904.51 and 215,820.38 is: 297,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,663.41 : 447,904.51 = 215,820.38 : x
  2. Step 2: Convert to fraction form
    324,663.41/447,904.51 = 215,820.38/x
  3. Step 3: Cross multiply
    324,663.41x = 447,904.51 × 215,820.38
  4. Step 4: Simplify right side
    324,663.41x = 96,666,922,132.12
  5. Step 5: Solve for x
    x = 96,666,922,132.12/324,663.41
  6. Step 6: Final answer
    x = 297,745.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.